C++ (Cpp) gimp_curve_view_set_xpos示例

示例#1

文件： gimpcurvestool.c 项目： jdburton/gimp-osx

static void
gimp_curves_tool_color_picked (GimpColorTool      *color_tool,
                               GimpColorPickState  pick_state,
                               GimpImageType       sample_type,
                               GimpRGB            *color,
                               gint                color_index)
{
  GimpCurvesTool *tool = GIMP_CURVES_TOOL (color_tool);
  GimpDrawable   *drawable;

  drawable = GIMP_IMAGE_MAP_TOOL (tool)->drawable;

  tool->picked_color[GIMP_HISTOGRAM_RED]   = color->r;
  tool->picked_color[GIMP_HISTOGRAM_GREEN] = color->g;
  tool->picked_color[GIMP_HISTOGRAM_BLUE]  = color->b;

  if (gimp_drawable_has_alpha (drawable))
    tool->picked_color[GIMP_HISTOGRAM_ALPHA] = color->a;

  tool->picked_color[GIMP_HISTOGRAM_VALUE] = MAX (MAX (color->r, color->g),
                                                  color->b);

  gimp_curve_view_set_xpos (GIMP_CURVE_VIEW (tool->graph),
                            tool->picked_color[tool->config->channel]);
}

示例#2

文件： gimpcurvestool.c 项目： AdamGrzonkowski/gimp-1

static void
gimp_curves_tool_color_picked (GimpColorTool      *color_tool,
                               GimpColorPickState  pick_state,
                               gdouble             x,
                               gdouble             y,
                               const Babl         *sample_format,
                               gpointer            pixel,
                               const GimpRGB      *color)
{
  GimpCurvesTool   *tool    = GIMP_CURVES_TOOL (color_tool);
  GimpImageMapTool *im_tool = GIMP_IMAGE_MAP_TOOL (color_tool);
  GimpCurvesConfig *config  = GIMP_CURVES_CONFIG (im_tool->config);
  GimpDrawable     *drawable;

  drawable = GIMP_IMAGE_MAP_TOOL (tool)->drawable;

  tool->picked_color[GIMP_HISTOGRAM_RED]   = color->r;
  tool->picked_color[GIMP_HISTOGRAM_GREEN] = color->g;
  tool->picked_color[GIMP_HISTOGRAM_BLUE]  = color->b;

  if (gimp_drawable_has_alpha (drawable))
    tool->picked_color[GIMP_HISTOGRAM_ALPHA] = color->a;
  else
    tool->picked_color[GIMP_HISTOGRAM_ALPHA] = -1;

  tool->picked_color[GIMP_HISTOGRAM_VALUE] = MAX (MAX (color->r, color->g),
                                                  color->b);

  gimp_curve_view_set_xpos (GIMP_CURVE_VIEW (tool->graph),
                            tool->picked_color[config->channel]);
}